Is uw-s.nl valid?

uw-s.nl should be blocked (risk: 90/100). Use the Check-Mail API to detect risky domains.

uw-s.nl

uw-s.nl is a domain that should be blocked from sign-ups or registrations. Based on our analysis, you should block this domain. If a user is trying to sign-up using an e-mail on this domain, it's likely that it's a malicious or fraudulent attempt.

Raw API JSON response:

{
    "valid": true,
    "block": true,
    "domain": "uw-s.nl",
    "base_domain": "uw-s.nl",
    "text": "Highly suspicious",
    "reason": "Anomalies detected",
    "risk": 90,
    "is_disposable": false,
    "is_email_forwarder": false,
    "is_public_free": false,
    "is_public_premium": false,
    "is_business_provider": false,
    "is_isp_email": false,
    "is_email_api": false,
    "is_web_hosting_email": false,
    "is_self_hosted": false,
    "is_parked": false,
    "is_role_based_email": false,
    "mx_host": "uw-s.nl",
    "mx_ip": "37.97.254.27",
    "mx_info": "No MX-pointer in DNS record. Using domain: uw-s.nl",
    "mx_fallback": true,
    "mx_hosts": [
        "uw-s.nl"
    ],
    "mx_ips": [
        "37.97.254.27"
    ],
    "mx_priorities": {
        "uw-s.nl": 10
    },
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": null,
    "domain_created_at": null,
    "block_status_changed_at": "2026-08-30T11:31:13+00:00"
}
uw-s.nl should be blocked
uw-s.nl

Status: Highly suspicious

RISK
HIGH

Domain risk: 90

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Did you know we have a free API to validate e-mails and block uw-s.nl?

Technical Details for uw-s.nl

Risk Score

90 / 100

MX Host

uw-s.nl

Last updated: Aug 30, 2026

How to Block uw-s.nl

You can automatically block uw-s.nl and thousands of other disposable and fraudulent email domains using the free Check-Mail API. Simply query the API with any email domain to get an instant block recommendation.

Example API request:

curl -X POST "https://api.check-mail.org/v2/" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d "domain=uw-s.nl"

Get your free API key or read the documentation for integration guides in PHP, Python, JavaScript, and more.

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